Operations on the global prefix or address lists should be done under

splsoftnet().

diff --git a/sys/netinet6/nd6_rtr.c b/sys/netinet6/nd6_rtr.c
index c77c9cb..f6e4b9c 100644 (file)
--- a/sys/netinet6/nd6_rtr.c
+++ b/sys/netinet6/nd6_rtr.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: nd6_rtr.c,v 1.95 2014/12/22 11:05:53 mpi Exp $        */
+/*     $OpenBSD: nd6_rtr.c,v 1.96 2014/12/22 11:17:20 mpi Exp $        */
 /*     $KAME: nd6_rtr.c,v 1.97 2001/02/07 11:09:13 itojun Exp $        */
 
 /*
@@ -1050,7 +1050,6 @@ nd6_prelist_add(struct nd_prefix *pr, struct nd_defrouter *dr,
        s = splsoftnet();
        /* link ndpr_entry to nd_prefix list */
        LIST_INSERT_HEAD(&nd_prefix, new, ndpr_entry);
-       splx(s);
 
        /* ND_OPT_PI_FLAG_ONLINK processing */
        if (new->ndpr_raf_onlink) {
@@ -1069,6 +1068,7 @@ nd6_prelist_add(struct nd_prefix *pr, struct nd_defrouter *dr,
 
        if (dr)
                pfxrtr_add(new, dr);
+       splx(s);
 
        ext->nprefixes++;